Diagnostic Tool by Multiple Imputation for Regression Discontinuity Designs R package MIRDD version 0.1.0 Estimates local average treatment effects based on regression discontinuity designs (RDD) and multiple imputation regression discontinuity designs (MIRDD). It provides diagnostic tools for RDD by comparing results with those from MIRDD, as proposed in Takahashi (2023) <doi:10.1080/03610918.2021.1960374>. Software Imports: Amelia, rdrobust, stats, graphics Masayoshi Takahashi <mtakahashi615@g.chuo-u.ac.jp> Comprehensive R Archive Network (CRAN) Masayoshi Takahashi [aut, cre] GPL-3 2026-03-19 application/tgz https://CRAN.R-project.org/package=MIRDD doi:10.32614/CRAN.package.MIRDD